Home / 2,758,415,354.40-4,137,612,145.20-819,718,586.40

Finding the Fourth Proportional to 2,758,415,354.40, 4,137,612,145.20 and 819,718,586.40

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Solution

The fourth proportional to 2,758,415,354.40, 4,137,612,145.20 and 819,718,586.40 is: 1,229,574,644.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,415,354.40 : 4,137,612,145.20 = 819,718,586.40 : x
  2. Step 2: Convert to fraction form
    2,758,415,354.40/4,137,612,145.20 = 819,718,586.40/x
  3. Step 3: Cross multiply
    2,758,415,354.40x = 4,137,612,145.20 × 819,718,586.40
  4. Step 4: Simplify right side
    2,758,415,354.40x = 3,391,677,578,734,815,232
  5. Step 5: Solve for x
    x = 3,391,677,578,734,815,232/2,758,415,354.40
  6. Step 6: Final answer
    x = 1,229,574,644.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.